FE-4 Thirsk and FE-2 Stott pose for a photo while installing ARIS Hardware in the U.S. Laboratory

ISS021-E-010198 (19 Oct. 2009) --- Canadian Space Agency astronaut Robert Thirsk and NASA astronaut Nicole Stott, both Expedition 21 flight engineers, install the Active Rack Isolation System (ARIS) hardware on the Fluids Integrated Rack (FIR) in the Destiny laboratory of the International Space Station.